1 // RUN: %clang_cc1 -verify -fopenmp %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
4 
5 void foo() {
6 }
7 
8 bool foobool(int argc) {
9   return argc;
10 }
11 
12 void foobar(int &ref) {
13 #pragma omp parallel
14 #pragma omp for simd reduction(+:ref)
15   for (int i = 0; i < 10; ++i)
16     foo();
17 }
18 
19 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
20 extern S1 a;
21 class S2 {
22   mutable int a;
23   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
24 
25 public:
26   S2() : a(0) {}
27   S2(S2 &s2) : a(s2.a) {}
28   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
29   static const float S2sc;
30 };
31 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
32 S2 b;                     // expected-note 3 {{'b' defined here}}
33 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
34 class S3 {
35   int a;
36 
37 public:
38   int b;
39   S3() : a(0) {}
40   S3(const S3 &s3) : a(s3.a) {}
41   S3 operator+(const S3 &arg1) { return arg1; }
42 };
43 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
44 S3 c;               // expected-note 3 {{'c' defined here}}
45 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
46 extern const int f; // expected-note 4 {{'f' declared here}}
47 class S4 {
48   int a;
49   S4(); // expected-note {{implicitly declared private here}}
50   S4(const S4 &s4);
51   S4 &operator+(const S4 &arg) { return (*this); }
52 
53 public:
54   S4(int v) : a(v) {}
55 };
56 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
57 class S5 {
58   int a;
59   S5() : a(0) {} // expected-note {{implicitly declared private here}}
60   S5(const S5 &s5) : a(s5.a) {}
61   S5 &operator+(const S5 &arg);
62 
63 public:
64   S5(int v) : a(v) {}
65 };
66 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
67 #if __cplusplus >= 201103L // C++11 or later
68 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
69 #endif
70   int a;
71 
72 public:
73   S6() : a(6) {}
74   operator int() { return 6; }
75 } o;
76 
77 S3 h, k;
78 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
79 
80 template <class T>       // expected-note {{declared here}}
81 T tmain(T argc) {
82   const T d = T();       // expected-note 4 {{'d' defined here}}
83   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
84   T qa[5] = {T()};
85   T i;
86   T &j = i;                // expected-note 4 {{'j' defined here}}
87   S3 &p = k;               // expected-note 2 {{'p' defined here}}
88   const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
89   T &q = qa[(int)i];       // expected-note 2 {{'q' defined here}}
90   T fl;
91 #pragma omp parallel
92 #pragma omp for simd reduction // expected-error {{expected '(' after 'reduction'}}
93   for (int i = 0; i < 10; ++i)
94     foo();
95 #pragma omp parallel
96 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
97   for (int i = 0; i < 10; ++i)
98     foo();
99 #pragma omp parallel
100 #pragma omp for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
101   for (int i = 0; i < 10; ++i)
102     foo();
103 #pragma omp parallel
104 #pragma omp for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
105   for (int i = 0; i < 10; ++i)
106     foo();
107 #pragma omp parallel
108 #pragma omp for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
109   for (int i = 0; i < 10; ++i)
110     foo();
111 #pragma omp parallel
112 #pragma omp for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
113   for (int i = 0; i < 10; ++i)
114     foo();
115 #pragma omp parallel
116 #pragma omp for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
117   for (int i = 0; i < 10; ++i)
118     foo();
119 #pragma omp parallel
120 #pragma omp for simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
121   for (int i = 0; i < 10; ++i)
122     foo();
123 #pragma omp parallel
124 #pragma omp for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
125   for (int i = 0; i < 10; ++i)
126     foo();
127 #pragma omp parallel
128 #pragma omp for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
129   for (int i = 0; i < 10; ++i)
130     foo();
131 #pragma omp parallel
132 #pragma omp for simd reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
133   for (int i = 0; i < 10; ++i)
134     foo();
135 #pragma omp parallel
136 #pragma omp for simd reduction(&& : argc)
137   for (int i = 0; i < 10; ++i)
138     foo();
139 #pragma omp parallel
140 #pragma omp for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
141   for (int i = 0; i < 10; ++i)
142     foo();
143 #pragma omp parallel
144 #pragma omp for simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified list item cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
145   for (int i = 0; i < 10; ++i)
146     foo();
147 #pragma omp parallel
148 #pragma omp for simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified list item cannot be reduction}}
149   for (int i = 0; i < 10; ++i)
150     foo();
151 #pragma omp parallel
152 #pragma omp for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
153   for (int i = 0; i < 10; ++i)
154     foo();
155 #pragma omp parallel
156 #pragma omp for simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
157   for (int i = 0; i < 10; ++i)
158     foo();
159 #pragma omp parallel
160 #pragma omp for simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
161   for (int i = 0; i < 10; ++i)
162     foo();
163 #pragma omp parallel
164 #pragma omp for simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
165   for (int i = 0; i < 10; ++i)
166     foo();
167 #pragma omp parallel
168 #pragma omp for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
169   for (int i = 0; i < 10; ++i)
170     foo();
171 #pragma omp parallel
172 #pragma omp for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
173   for (int i = 0; i < 10; ++i)
174     foo();
175 #pragma omp parallel
176 #pragma omp for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
177   for (int i = 0; i < 10; ++i)
178     foo();
179 #pragma omp parallel
180 #pragma omp for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
181   for (int i = 0; i < 10; ++i)
182     foo();
183 #pragma omp parallel
184 #pragma omp for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
185   for (int i = 0; i < 10; ++i)
186     foo();
187 #pragma omp parallel
188 #pragma omp for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
189   for (int i = 0; i < 10; ++i)
190     foo();
191 #pragma omp parallel private(k)
192 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
193   for (int i = 0; i < 10; ++i)
194     foo();
195 #pragma omp parallel
196 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
197   for (int i = 0; i < 10; ++i)
198     foo();
199 #pragma omp parallel
200 #pragma omp for simd reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
201   for (int i = 0; i < 10; ++i)
202     foo();
203 #pragma omp parallel shared(i)
204 #pragma omp parallel reduction(min : i)
205 #pragma omp for simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
206   for (int i = 0; i < 10; ++i)
207     foo();
208 #pragma omp parallel private(fl)  // expected-note 2 {{defined as private}}
209 #pragma omp for simd reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
210   for (int i = 0; i < 10; ++i)
211     foo();
212 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
213 #pragma omp for simd reduction(+ : fl)      // expected-error 2 {{reduction variable must be shared}}
214   for (int i = 0; i < 10; ++i)
215     foo();
216 
217   return T();
218 }
219 
220 namespace A {
221 double x;
222 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
223 }
224 namespace B {
225 using A::x;
226 }
227 
228 int main(int argc, char **argv) {
229   const int d = 5;       // expected-note 2 {{'d' defined here}}
230   const int da[5] = {0}; // expected-note {{'da' defined here}}
231   int qa[5] = {0};
232   S4 e(4);
233   S5 g(5);
234   int i;
235   int &j = i;           // expected-note 2 {{'j' defined here}}
236   S3 &p = k;            // expected-note 2 {{'p' defined here}}
237   const int &r = da[i]; // expected-note {{'r' defined here}}
238   int &q = qa[i];       // expected-note {{'q' defined here}}
239   float fl;
240 #pragma omp parallel
241 #pragma omp for simd reduction // expected-error {{expected '(' after 'reduction'}}
242   for (int i = 0; i < 10; ++i)
243     foo();
244 #pragma omp parallel
245 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
246   for (int i = 0; i < 10; ++i)
247     foo();
248 #pragma omp parallel
249 #pragma omp for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
250   for (int i = 0; i < 10; ++i)
251     foo();
252 #pragma omp parallel
253 #pragma omp for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
254   for (int i = 0; i < 10; ++i)
255     foo();
256 #pragma omp parallel
257 #pragma omp for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
258   for (int i = 0; i < 10; ++i)
259     foo();
260 #pragma omp parallel
261 #pragma omp for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
262   for (int i = 0; i < 10; ++i)
263     foo();
264 #pragma omp parallel
265 #pragma omp for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
266   for (int i = 0; i < 10; ++i)
267     foo();
268 #pragma omp parallel
269 #pragma omp for simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
270   for (int i = 0; i < 10; ++i)
271     foo();
272 #pragma omp parallel
273 #pragma omp for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
274   for (int i = 0; i < 10; ++i)
275     foo();
276 #pragma omp parallel
277 #pragma omp for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
278   for (int i = 0; i < 10; ++i)
279     foo();
280 #pragma omp parallel
281 #pragma omp for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
282   for (int i = 0; i < 10; ++i)
283     foo();
284 #pragma omp parallel
285 #pragma omp for simd reduction(&& : argc)
286   for (int i = 0; i < 10; ++i)
287     foo();
288 #pragma omp parallel
289 #pragma omp for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
290   for (int i = 0; i < 10; ++i)
291     foo();
292 #pragma omp parallel
293 #pragma omp for simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified list item cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
294   for (int i = 0; i < 10; ++i)
295     foo();
296 #pragma omp parallel
297 #pragma omp for simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified list item cannot be reduction}}
298   for (int i = 0; i < 10; ++i)
299     foo();
300 #pragma omp parallel
301 #pragma omp for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
302   for (int i = 0; i < 10; ++i)
303     foo();
304 #pragma omp parallel
305 #pragma omp for simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
306   for (int i = 0; i < 10; ++i)
307     foo();
308 #pragma omp parallel
309 #pragma omp for simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
310   for (int i = 0; i < 10; ++i)
311     foo();
312 #pragma omp parallel
313 #pragma omp for simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
314   for (int i = 0; i < 10; ++i)
315     foo();
316 #pragma omp parallel
317 #pragma omp for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
318   for (int i = 0; i < 10; ++i)
319     foo();
320 #pragma omp parallel
321 #pragma omp for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
322   for (int i = 0; i < 10; ++i)
323     foo();
324 #pragma omp parallel
325 #pragma omp for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
326   for (int i = 0; i < 10; ++i)
327     foo();
328 #pragma omp parallel
329 #pragma omp for simd reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{invalid operands to binary expression ('S4' and 'S4')}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
330   for (int i = 0; i < 10; ++i)
331     foo();
332 #pragma omp parallel
333 #pragma omp for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
334   for (int i = 0; i < 10; ++i)
335     foo();
336 #pragma omp parallel
337 #pragma omp for simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
338   for (int i = 0; i < 10; ++i)
339     foo();
340 #pragma omp parallel
341 #pragma omp for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
342   for (int i = 0; i < 10; ++i)
343     foo();
344 #pragma omp parallel private(k)
345 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
346   for (int i = 0; i < 10; ++i)
347     foo();
348 #pragma omp parallel
349 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
350   for (int i = 0; i < 10; ++i)
351     foo();
352 #pragma omp parallel
353 #pragma omp for simd reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
354   for (int i = 0; i < 10; ++i)
355     foo();
356 #pragma omp parallel shared(i)
357 #pragma omp parallel reduction(min : i)
358 #pragma omp for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
359   for (int i = 0; i < 10; ++i)
360     foo();
361 #pragma omp parallel private(fl)  // expected-note {{defined as private}}
362 #pragma omp for simd reduction(+ : fl) // expected-error {{reduction variable must be shared}}
363   for (int i = 0; i < 10; ++i)
364     foo();
365 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
366 #pragma omp for simd reduction(+ : fl)      // expected-error {{reduction variable must be shared}}
367   for (int i = 0; i < 10; ++i)
368     foo();
369   static int m;
370 #pragma omp for simd reduction(+ : m)
371   for (int i = 0; i < 10; ++i)
372     m++;
373 
374   return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
375 }
376